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Finding the Fourth Proportional to 363,447.96, 501,558.12 and 202,299.56

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Solution

The fourth proportional to 363,447.96, 501,558.12 and 202,299.56 is: 279,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,447.96 : 501,558.12 = 202,299.56 : x
  2. Step 2: Convert to fraction form
    363,447.96/501,558.12 = 202,299.56/x
  3. Step 3: Cross multiply
    363,447.96x = 501,558.12 × 202,299.56
  4. Step 4: Simplify right side
    363,447.96x = 101,464,986,990.43
  5. Step 5: Solve for x
    x = 101,464,986,990.43/363,447.96
  6. Step 6: Final answer
    x = 279,173.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.